Solution:
(D) .... at equilibrium, rate of forward reaction = rate of backward reaction.
Concentration of reactants can be equal to (or) greater than (or) lesser than that of products.
Regarding equilibrium state, correct statements are
(A) It can be attained from either side.
(B) It is dynamic in nature.
(C) For gaseous reactions, it can be attained only in a closed vessel .
(D) Concentration of reactants is always equal to concentration of products.
(D) .... at equilibrium, rate of forward reaction = rate of backward reaction.
Concentration of reactants can be equal to (or) greater than (or) lesser than that of products.